package com.heima.wemedia.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.wemedia.dtos.WmUserDto;
import com.heima.model.wemedia.pojos.WmUser;
import com.heima.utils.common.AppJwtUtil;
import com.heima.wemedia.mapper.WmUserMapper;
import com.heima.wemedia.service.WmUserService;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;
import org.apache.commons.lang3.StringUtils;
import java.util.HashMap;
import java.util.Map;

/**
 * @author feng js
 */
@Service
public class WmUserServiceImpl extends ServiceImpl<WmUserMapper,WmUser> implements WmUserService {

    @Override
    public ResponseResult login(WmUserDto wmUserDto) {
        if (StringUtils.isBlank(wmUserDto.getName()) || StringUtils.isBlank(wmUserDto.getPassword())) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"用户名或密码不能为空");
        }
        WmUser wmUser = getOne(Wrappers.<WmUser>lambdaQuery().eq(WmUser::getName, wmUserDto.getName()));
        if (wmUser != null) {
            String salt = wmUser.getSalt();
            String password = wmUser.getPassword();
            String psw = DigestUtils.md5DigestAsHex((wmUserDto.getPassword() + salt).getBytes());
            if (password.equals(psw)) {
                Map<String, Object> map = new HashMap<>();
                String token = AppJwtUtil.getToken(wmUser.getId().longValue());
                map.put("token", token);
                wmUser.setPassword("");
                wmUser.setSalt("");
                map.put("user", wmUser);
                return ResponseResult.okResult(map);
            } else {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
        } else {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户不存在");
        }
    }
}
